{ config, lib, pkgs, ... }: {
  # 默认shell, fish、zsh nushell等
  imports = [ ./fish.nix ]; 
  users.defaultUserShell = pkgs.fish;
  environment.systemPackages = with pkgs; [
    btop
    bat
    du-dust
    duf
    eza
    fd
    fzf
    fuzzel
    jq
    neofetch
    ranger
    ripgrep
    starship
    tealdeer
    tokei
    zoxide
  ];
}
